CN215868881U

CN215868881U - Shockproof dry-type transformer

Info

Publication number: CN215868881U
Application number: CN202121279105.7U
Authority: CN
Inventors: 钱国锋; 吴江南; 倪超
Original assignee: Zhejiang Detong Transformer Co ltd
Current assignee: Zhejiang Detong Transformer Co ltd
Priority date: 2021-06-08
Filing date: 2021-06-08
Publication date: 2022-02-18
Anticipated expiration: 2031-06-08

Abstract

The utility model provides a shockproof dry-type transformer which comprises a transformer body, a supporting plate arranged at the bottom end of the transformer body and a fixing plate arranged below the supporting plate, wherein a damping device is arranged between the supporting plate and the fixing plate; damping device includes horizontal damping component and vertical damping component, horizontal damping component include with the backup pad articulated body of rod, with the fixed plate articulated cover body, the body of rod with the cover body is the slope setting. In the using process of the utility model, the horizontal damping assembly arranged obliquely can play a role in damping, and the strength of the damping spring can be adjusted by adjusting the bolt arranged on the rod body, so that the utility model can adapt to different vibration conditions of the transformer.

Description

Shockproof dry-type transformer

Technical Field

The utility model belongs to the technical field of dry-type transformers, and particularly relates to a shockproof dry-type transformer

Background

Dry transformers are widely used in local lighting, high-rise buildings, airports, wharf CNC machines and other places, and simply, dry transformers refer to transformers in which the iron core and the winding are not immersed in insulating oil. The dry type transformer has the advantages of strong short circuit resistance, small maintenance workload, high operation efficiency, small volume, low noise and the like, is commonly used in places with high requirements on fire resistance, explosion resistance and the like, and the existing dry type transformer shell on the market has the defect of poor shockproof effect.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a shockproof dry-type transformer.

In order to achieve the above object, the present invention provides the following technical solutions, wherein a shockproof dry-type transformer comprises a transformer body, a supporting plate disposed at the bottom end of the transformer body, and a fixing plate disposed below the supporting plate, wherein a damping device is disposed between the supporting plate and the fixing plate; the damping device comprises a horizontal damping component and a vertical damping component, the horizontal damping component comprises a rod body hinged with the supporting plate and a sleeve body hinged with the fixing plate, the rod body and the sleeve body are obliquely arranged, and damping springs are sleeved on the rod body and the sleeve body; the end part of the rod body is provided with a ring sleeve, the ring sleeve is sleeved on the rod body, and one end of the damping spring is connected with the ring sleeve; the rod body is further sleeved with a bolt, and the ring sleeve is arranged between the damping spring and the bolt.

In the using process of the utility model, the horizontal damping assembly arranged obliquely can play a role in damping, and the strength of the damping spring can be adjusted by adjusting the bolt arranged on the rod body, so that the utility model can adapt to different vibration conditions of the transformer.

Optionally, the tail end of the rod body is provided with a rubber plug, the sleeve body is provided with a rubber abutting block, the rubber plug is matched with the inner wall of the blind hole,

optionally, the vertical damping component comprises a first ring sleeve arranged on the supporting plate, a first movable block arranged on the supporting plate, a damping rod connected with the first movable block, a second ring sleeve arranged on the fixing plate, a second movable block arranged on the fixing plate and a damping sleeve connected with the second movable block, wherein an elastic piece is arranged between the damping rod and the damping sleeve.

Optionally, the first movable block is arranged in the first ring sleeve, the first movable block can move back and forth in the first ring sleeve, the cross section of the first movable block is a regular hexagon, the cross section of the inner wall of the first ring sleeve is a regular hexagon, and a spring is arranged between the first movable block and the first ring sleeve.

Optionally, a first connecting lug and a second connecting lug are respectively arranged on the first movable block and the second movable block, a first hinge rod is hinged to the first connecting lug, a second hinge rod is hinged to the first hinge rod, a third hinge rod is hinged to the second hinge rod, and a hinge point of the second hinge rod and the third hinge rod is located on the second connecting lug; the end part of the third hinge rod is provided with a sliding block, the fixing plate is provided with a damping groove, and the sliding block is arranged in the damping groove.

Optionally, a fixed block is arranged on the sliding block, a rod is arranged on the fixed block, a rubber sleeve is sleeved on the rod, a hole is formed in the inner wall of the end portion of the damping groove, and the diameter of the hole is reduced along the forming direction of the hole; the hole is internally sleeved with a sleeve piece, and the sleeve piece and the rubber sleeve are made of rubber materials.

Optionally, the inner wall of the sleeve is provided with a plurality of first bulges, the surface of the rubber sleeve is provided with a second bulge, and a metal mesh is further inlaid in the sleeve.

In conclusion, in the using process, the horizontal damping assembly arranged obliquely can play a damping role, and the strength of the damping spring can be adjusted by adjusting the bolt arranged on the rod body, so that the transformer can adapt to different vibration conditions.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a top view of fig. 1.

Fig. 3 is a cross-sectional view taken at a-a of fig. 2, with the transformer body removed.

Fig. 4 is an enlarged view of a portion a in fig. 3.

Fig. 5 is a front view of the transformer body of fig. 1 taken out.

FIG. 6 is a sectional view taken at B-B in FIG. 5, showing only a partial structure of the horizontal shock absorbing assembly.

Fig. 7 is an exploded view of fig. 3.

Fig. 8 is an enlarged view of fig. 7 at B.

Detailed Description

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.

Referring to fig. 1 to 8, a shockproof dry type transformer includes a transformer body 1, a supporting plate 2 disposed at a bottom end of the transformer body 1, and a fixing plate 3 disposed below the supporting plate 2, wherein a damping device is disposed between the supporting plate 2 and the fixing plate 3.

The damping means 3 comprise horizontal damping members arranged along the edges of the support plate 2 and vertical damping members arranged in the middle of the support plate 2.

The horizontal damping assembly comprises a rod body 21a hinged with the supporting plate 2 and a sleeve body 22a hinged with the fixing plate 3, a blind hole 220a is formed in the sleeve body 22a, the rod body 21a is inserted into the blind hole 220a, the rod body 21a and the sleeve body 22a are both arranged in an inclined mode, and a damping spring 23a is sleeved on the rod body 21a and the sleeve body 22 a.

So, the horizontal damping component that the slope set up, when the body of rod was made a round trip to move in blind hole 220a, not only can provide backup pad 2 and fixed plate 3 at the shock attenuation of vertical direction, can also provide the shock attenuation of horizontal direction.

Further, a ring sleeve 211a is disposed at the end of the rod body 21a, the ring sleeve 211a is sleeved on the rod body 21a, a supporting ring 221a is disposed at the end of the sleeve body 22a, and one end of the damping spring 23a is connected with the ring sleeve 211a, and the other end is connected with the supporting ring 22 a. Still be equipped with bolt 212a on the body of rod 21a, ring cover 211a arranges between damping spring 23a and bolt 212a, and then rotate bolt 212a and can compress damping spring 23a, thereby adjust damping spring 23 a's elasticity, when transformer body vibrations are great, can compress damping spring 23a through bolt 212a, and then let horizontal damping component have bigger resistance, when transformer body vibrations are less, can relax damping spring 23a through bolt 212a, and then let horizontal damping component's resistance diminish.

Further, in order to prevent the end of the rod body 21a from colliding with the inner wall of the end of the blind hole 220a, the life and stability of the whole device are affected. For this purpose, the end of the rod 21a is provided with a rubber stopper 213a, the inner wall of the end of the blind hole 220a is provided with a rubber abutment 223a, and the rubber stopper 213a is engaged with the inner wall of the blind hole 220a for sealing the blind hole 220a, so that when the rod 21a is inserted into the blind hole 220a, air in the blind hole 220a can be compressed. And the end of the rubber stopper 213a is conical, and the rubber support block 223a is formed into a shape matched with the rubber stopper 213a, so that the time and the distance of mutual contact of the rubber stopper 213a and the rubber stopper 213a are prolonged, the momentum of collision between the rod body and the sleeve body is reduced, and the friction force is increased.

Vertical damper includes first ring cover 11a of locating in backup pad 2, locates first movable block 12a in backup pad 2, shock attenuation pole 13a continuous with first movable block 12a, locate second ring cover 11b on fixed plate 3, locate second movable block 12b on fixed plate 3, the shock attenuation sleeve pipe 13b that links to each other with second movable block 12b, shock attenuation passageway on the shock attenuation sleeve pipe 13b, shock attenuation pole 13a inserts to shock attenuation passageway in to be equipped with elastic component 10a between shock attenuation pole 13a and shock attenuation sleeve pipe 13b, elastic component 10a is the spring.

Further, the first movable block 12a is arranged in the first ring sleeve 11a, the first movable block 12a can move back and forth in the first ring sleeve 11a, the section of the first movable block 12 is a regular hexagon, the cross section of the inner wall of the first ring sleeve 11a is a regular hexagon, each surface of the first movable block 12 and the first ring sleeve 11a is in one-to-one correspondence with the surface of the first ring sleeve 11a, and the spring 10b is arranged between the first movable block 12 and the first ring sleeve 11a, so that the first ring sleeve 11a can move left and right along with the vibration of the support plate on the transformer body 1, and when the first movable block 12a moves horizontally, the spring buffering mode is arranged between the first movable block 12a and the first ring sleeve 11 a.

Further, the second movable block 12b and the second collar 11b have the same structure as the first movable block 12a and the first collar 11a, and therefore, the detailed description thereof is omitted.

The first movable block 12a and the second movable block 12b are respectively provided with a first connecting lug 14a and a second connecting lug 14b, wherein the first connecting lug 14a is hinged to a first hinge rod 141a, the first hinge rod 141a is hinged to a second hinge rod 142a, the second hinge rod 142a is hinged to a third hinge rod 143a, and hinge points of the second hinge rod 142a and the third hinge rod 143a are located on the second connecting lug 14 b.

The end of the third hinge rod 143a is provided with a sliding block 2b, the fixing plate 3 is provided with a damping groove 21b, and the sliding block 2b is arranged in the damping groove 21 b. The slider 2b is provided with a guide block, the damping groove 21b is provided with a guide groove, and the guide block is clamped in the guide groove, so that the slider 2b can slide back and forth in the damping groove 21 b.

Specifically, when the transformer body 1 vibrates, the distance between the first movable block 12a and the second movable block 12b changes, and the third hinge rod 143a pushes the sliding block 2b to slide back and forth in the damping groove 21 b.

The slider 2b is provided with a fixed block 22b, the fixed block 22b is provided with a rod 23b, the rod 23b is sleeved with a rubber sleeve 231b, the diameter of the rod 23b is gradually reduced, a tip is further formed, the rubber sleeve 231b is sleeved on the rod 23b, and the shape of the rubber sleeve 231b is matched with that of the rod 23 b.

Further, the inner wall of the end of the damping groove 21b is provided with a hole 24b, and along the forming direction of the hole 24b, the diameter of the hole 24b is reduced, so that the hole 24b forms a structure with a large inlet and a small inner part, therefore, the hole 24b can be matched with the rod 23b, and the rod 23b can be better inserted into the hole 24b due to the structure formed by the tip of the rod 23 b.

The sleeve 241b is sleeved in the hole 24b, the inner walls of the sleeve 241b and the hole 24b are matched with each other, the sleeve and the rubber sleeve are made of rubber materials, and therefore when the rod 23 is sleeved with the rubber sleeve 231b and inserted into the hole 24b, the rubber sleeve 231b and the sleeve 241b rub against each other, the effect of consuming kinetic energy generated by vibration can be achieved, and the shock absorption effect is achieved.

Further, in order to increase the friction force, a plurality of first protrusions 242b are provided on the inner wall of the sleeve 241b, a second protrusion 232b is provided on the surface of the rubber sleeve 231b, and the first protrusions 242b and the second protrusions 232b are engaged with each other, so that the engagement effect between the sleeve 241b and the rubber sleeve 231b is increased.

In order to prevent the sleeve 241b from breaking in the hole 24b, a metal net 243b is embedded in the sleeve 241 b.

The surface of the sleeve 241b is further provided with a folding block 244, the folding block 244 is made of hard plastic, so that when the sleeve 241b is inserted into the hole 24b, the folding block 244 is arranged against the fixing plate 3, the fixing plate 3 is provided with a guide rail 31 for guiding the fixing plate 3, and the folding block 244 is further provided with a handle 241.

It is to be understood that the described embodiments are merely a few embodiments of the utility model and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Claims

1. A shockproof dry-type transformer is characterized by comprising a transformer body, a supporting plate arranged at the bottom end of the transformer body and a fixing plate arranged below the supporting plate, wherein a damping device is arranged between the supporting plate and the fixing plate; the damping device comprises a horizontal damping component and a vertical damping component, the horizontal damping component comprises a rod body hinged with the supporting plate and a sleeve body hinged with the fixing plate, the rod body and the sleeve body are obliquely arranged, and damping springs are sleeved on the rod body and the sleeve body; the end part of the rod body is provided with a ring sleeve, the ring sleeve is sleeved on the rod body, and one end of the damping spring is connected with the ring sleeve; the rod body is further sleeved with a bolt, and the ring sleeve is arranged between the damping spring and the bolt.

2. A vibration-proof dry-type transformer according to claim 1, wherein the end of the rod body is provided with a rubber plug, the sleeve body is provided with a rubber abutting block, and the rubber plug is engaged with the inner wall of the blind hole.

3. A vibration-proof dry type transformer according to claim 1, wherein said vertical vibration-damping member comprises a first ring sleeve provided on said supporting plate, a first movable block provided on said supporting plate, a vibration-damping rod connected to said first movable block, a second ring sleeve provided on said fixed plate, a second movable block provided on said fixed plate, and a vibration-damping sleeve connected to said second movable block, and an elastic member is provided between said vibration-damping rod and said vibration-damping sleeve.

4. A vibration-proof dry transformer according to claim 3, wherein said first movable block is arranged in said first ring, said first movable block is movable back and forth in said first ring, said first movable block has a cross section of a regular hexagon, a cross section of an inner wall of said first ring has a shape of a regular hexagon, and a spring is provided between said first movable block and said first ring.

5. The dry-type transformer of claim 4, wherein the first movable block and the second movable block are respectively provided with a first connecting lug and a second connecting lug, the first connecting lug is hinged with a first hinge rod, the first hinge rod is hinged with a second hinge rod, the second hinge rod is hinged with a third hinge rod, and a hinge point of the second hinge rod and the third hinge rod is located on the second connecting lug; the end part of the third hinge rod is provided with a sliding block, the fixing plate is provided with a damping groove, and the sliding block is arranged in the damping groove.

6. A vibration-proof dry type transformer according to claim 5, wherein a fixed block is provided on said slider, a rod is provided on said fixed block, a rubber sleeve is fitted on said rod, a hole is provided on an inner wall of an end portion of said vibration-proof groove, and a diameter of said hole decreases along a direction in which said hole is formed; the hole is internally sleeved with a sleeve piece, and the sleeve piece and the rubber sleeve are made of rubber materials.

7. A vibration-proof dry type transformer according to claim 6, wherein a plurality of first protrusions are provided on the inner wall of said sleeve, a second protrusion is provided on the surface of said rubber sleeve, and a metal mesh is further embedded in said sleeve.